User’s
Manual
Contents
1. Introduction
1.1 For Safe Use of Product ..............................................2
1.2 Warranty ......................................................................4
1.3 ATEX Documentation ..................................................5
2. Handling Cautions
2.1 ModelandSpecicationsCheck .................................7
2.2 SelectingtheInstallationLocation ..............................7
2.3 PressureConnection ..................................................7
2.4 InstallationofanExplosion-ProtectedInstrument ......7
2.5 EMCConformityStandards ..................................... 27
2.6 Pressure Equipment Directive (PED) ...................... 28
2.7 Safety Requirement Standards ................................ 29
3. Installation
3.1 Mounting................................................................... 30
3.2
MountingtheDiaphragmSeals ......................................30
3.3 DiaphragmSealsInstallationConsideration ............ 31
3.4 MountingtheFlushingConnectionRing .................. 32
3.5 AfxingtheTeonFilm ............................................. 33
3.6 Rotating Transmitter Section .................................... 34
3.7 ChangingtheDirectionofIntegralIndicator............. 34
4. Installing Impulse Piping
4.1 ImpulsePipingInstallationPrecautions ................... 35
4.2 ImpulsePipingConnectionExamples ..................... 37
4.3 ProcessPipingInstallationPrecautions(EJ115) 38
5. Wiring
5.1 Wiring Precautions ................................................... 40
5.2 ConnectionsofExternalWiringtoTerminalBox ...... 40
5.3 Wiring ....................................................................... 43
5.4 RTDCableConnection(EJX910A/EJX930A) ......... 45
5.5 Grounding ................................................................ 47
5.6 PowerSupplyVoltageandLoadResistance ........... 47
6. Operation
6.1 Preparation for Starting Operation ........................... 48
6.2 Zero Point Adjustment .............................................. 48
6.3 LocalParameterSetting .......................................... 49
7. Errors and Countermeasures
EJX and EJA-E Series
Differential Pressure and
Pressure Transmitters
Installation Manual
IM01C25A01-01E
IM01C25A01-01E
12thEdition
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